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Marc S.and others have simply said something along the lines of:
The best way to evaluate a card is outside of its holder. For high value cards, there are huge liability/damage concerns when opening up a card's plastic encapsulation. As such, they would not as a company ever put themselves in the situation as to free such a card as the Wagner from its holder, and they would not like to offer any professional opinions, one way or the other, without seeing the card outside of its holder.
It's basically a cop out answer, but I think we all agree that the best way to detect alterations, specifically of the trimming variety, is by closely examining a card's edges under loupe. That is not possible with the Wagner in its current encapsulated state.